40512523151 has 4 divisors (see below), whose sum is σ = 40520966304. Its totient is φ = 40504080000.

The previous prime is 40512523123. The next prime is 40512523169. The reversal of 40512523151 is 15132521504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40512523151 - 2⁶ = 40512523087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40512523111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4214375 + ... + 4223976.

It is an arithmetic number, because the mean of its divisors is an integer number (10130241576).

Almost surely, 2^40512523151 is an apocalyptic number.

40512523151 is a deficient number, since it is larger than the sum of its proper divisors (8443153).

40512523151 is an equidigital number, since it uses as much as digits as its factorization.

40512523151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443152.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 40512523151 in words is "forty billion, five hundred twelve million, five hundred twenty-three thousand, one hundred fifty-one".